/* user */
.usermain {
    width: 100%;
    height: 100%;
  }
  .u-table {
    width: 1000px;
    margin: 27px auto;
    border: 3px solid black;
    border-collapse: collapse;
  }
  .u-table th,
  td {
    border: 1px solid black;
    padding: 16px;
    text-align: center;
  }
  .u-table th {
    background: rgba(0, 0, 0, 0.2);
  }